chore: update keywords

Signed-off-by: Athan <kgryte@gmail.com>

Author: kgryte

lib/node_modules/@stdlib/stats/base/ndarray/smeanlipw/package.json

@@ -66,8 +66,8 @@
     "pairwise",
     "pw",
     "ndarray",
-    "double",
-    "dbl",
+    "float",
+    "flt",
     "float32",
     "float32array"
   ]